An X-ray beam with a wavelength of 7.5 nm has an energy equal to: 2.94exp-34 J О 2.65еxp-17J О 2.65еxp-19Ј O None of the given answers.
An X-ray beam with a wavelength of 7.5 nm has an energy equal to: 2.94exp-34 J О 2.65еxp-17J О 2.65еxp-19Ј O None of the given answers.
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Transcribed Image Text:An X-ray beam with a wavelength of 7.5 nm has an energy equal to:
2.94exp-34 J
2.65еxp-17 J
2.65еxp-19 J
O None of the given answers.
Transcribed Image Text:When it decays by beta decay, cobalt-60 also produces two gamma rays with
energies of 1.17 MeV and 1.33 MeV. Find the wavelength of the 1.17 MeV
photon.
1.063E-12 m
2.12E-12 m
.508E-12 m
O None of the given options.
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